Ozarkodina Conodont Fossil

These fossils appear to be Ozarkodina willsi? conodonts found in either the upper Devonian New Albany Shale or middle Devonian Beechwood Limestone of Clark County, Indiana.

See the conodont.info web site to see Ozarkodina polita specimens: CLICK HERE and Ozarkodina tenuis specimens: CLICK HERE

Ilymatogyra arietina Pelecypod

An Ilymatogyra arietina pelecypod fossil found in Grayson Marl Formation of Tarrant County, Texas. Animals lived in the upper Cretaceous Period. Check out Dave's write up on this fossil on the Views of the Mahantango blog: CLICK HERE
Thanks to Mark for these fossils.

A smaller Ilymatogyra arietina pelecypod fossil is shown in the next three images.

Spyroceras Cephalopod

Two fossils are shown that might a Spyroceras cephalopod of the Mississippian Period. These fossils came from the Chesterian Zone of the Bangor Limestone Formation of Franklin County, Alabama.